Home / 4,319.12-6,479.52-1,545.92

Finding the Fourth Proportional to 4,319.12, 6,479.52 and 1,545.92

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Solution

The fourth proportional to 4,319.12, 6,479.52 and 1,545.92 is: 2,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.12 : 6,479.52 = 1,545.92 : x
  2. Step 2: Convert to fraction form
    4,319.12/6,479.52 = 1,545.92/x
  3. Step 3: Cross multiply
    4,319.12x = 6,479.52 × 1,545.92
  4. Step 4: Simplify right side
    4,319.12x = 10,016,819.56
  5. Step 5: Solve for x
    x = 10,016,819.56/4,319.12
  6. Step 6: Final answer
    x = 2,319.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.